Notes on sporangia and spore masses containing tetrads or monads from the Lower Devonian (Lochkovian) of the Welsh Borderland, U.K.

Review of Palaeobotany and Palynology

Volumn 179, Issue , 2012, Pages 56-85

  Edwards, D ^a   Morris, J L ^a   Richardson, J B ^b   Axe, L ^a   Davies, K L ^a  

^a CARDIFF UNIVERSITY   (United Kingdom)

^b DEPARTMENT OF LIFE SCIENCES   (United Kingdom)

Author keywords

Cryptospores; Early embryophytes; Lower Devonian; Mesofossils; Tetrads; Ultrastructure

Indexed keywords

FOSSIL RECORD; LOCHKOVIAN; MICROPALEONTOLOGY; MOSS; PALEOBOTANY; PALYNOLOGY; PALYNOMORPH; SCANNING ELECTRON MICROSCOPY; SPORE; TAXONOMY; TRANSMISSION ELECTRON MICROSCOPY; ULTRASTRUCTURE;

UNITED KINGDOM; WALES; WELSH BASIN;

BACTERIA (MICROORGANISMS); CHEILOTETRAS; COOKSONIA; EMBRYOPHYTA; VELATITETRAS;

EID: 84860802488     PISSN: 00346667     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.revpalbo.2012.03.008     Document Type: Article

References (57)

1. Ball H.W., Dineley D.L. The Old Red Sandstone of Brown Clee Hills and the adjacent area. I. Stratigraphy. Bulletin of the British Museum Natural History (Geology) 1961, 5:175-242.
2. Burgess N.D. Silurian cryptospores and miospores from the type Llandovery area, south-west Wales. Palaeontology 1991, 34:575-599.
3. Edwards D. New insights into early land ecosystems: a glimpse of a Lilliputian world. Review of Palaeobotany and Palynology 1996, 90:159-174.
4. Edwards D., Axe L. Stomata and mechanics of stomatal functioning in some early land plants. Courier Forschungsinstitut Senckenberg 1992, 147:59-73.
5. Edwards D., Davies M.S. Interpretations of early land plant radiations: 'facile adaptationist guesswork' or reasoned speculation?. Systematics Association Special 1990, Volume No. 42:351-376. Clarendon Press, Oxford. P.D. Taylor, G.P. Larwood (Eds.).
6. Edwards D., Richardson J.B. Review of in situ spores in early land plants. . American Association of Stratigraphic Palynologists Foundation 1996, 391-407. Publishers Press, Salt Lake City, Utah. J. Jansonius, D.C. McGregor (Eds.).
7. Edwards D., Fanning U., Richardson J.B. Stomata and sterome in early land plants. Nature 1986, 323:438-440.
8. Edwards D., Davies K.L., Richardson J.B., Axe L. The ultrastructure of spores of Cooksonia pertoni. Palaeontology 1995, 38:153-168.
9. Edwards D., Davies K.L., Richardson J.B., Wellman C.H., Axe L. Ultrastructure of Synorisporites downtonensis and Retusotriletes cf. coronadus in spore masses from the Přídolí of the Welsh Borderland. Palaeontology 1996, 39:783-800.
10. Edwards D., Wellman C.H., Axe L. Tetrads in sporangia and spore masses from the Upper Silurian and Lower Devonian of the Welsh borderland. Botanical Journal of the Linnean Society 1999, 130:111-115.
11. Edwards D., Richardson J.B., Axe L., Davies K.L. A new group of Early Devonian plants with valvate sporangia containing sculptured permanent dyads. Botanical Journal of the Linnean Society 2012, 168(3):229-257.
12. Fanning U., Richardson J.B., Edwards D. Cryptic evolution in an early land plant. Evolutionary Trends in Plants 1988, 2:13-24.
13. Fanning U., Richardson J.B., Edwards D. A review of in situ spores in Silurian land plants. Systematics Association Special 1991, Volume No. 44:25-47. Clarendon Press, Oxford. S. Blackmore, S.H. Barnes (Eds.).
14. Gensel P.G. Devonian in situ spores: a survey and discussion. Review of Palaeobotany and Palynology 1980, 30:101-132.
15. Glasspool I.J., Edwards D., Axe L. Charcoal in the Silurian as evidence for the earliest wildfire. Geology 2004, 32:381-383.
16. Glasspool I.J., Edwards D., Axe L. Charcoal in the Early Devonian: a wildfire-derived Konservat-Lagerstätte. Review of Palaeobotany and Palynology 2006, 142:131-136.
17. Gray J. The microfossil record of early land plants: advances in understanding of early terrestrialization, 1970-1984. Philosophical Transactions of the Royal Society B 1985, 309:167-195.
18. Gray J., Boucot A.J. Early Silurian spore tetrads from NewYork: earliest new world evidence for vascular plants?. Science 1971, 173:918-921.
19. Habgood K.S., Edwards D., Axe L. New perspectives on Cooksonia from the Lower Devonian of the Welsh Borderland. Botanical Journal of the Linnean Society 2002, 139:339-359.
20. Hoffmeister W.S. Lower Silurian plant spores from Libya. Micropaleontology 1959, 5:331-334.
21. Morris J.L., Edwards D., Richardson J.B., Axe L., Davies K.L. New plant taxa from the Lower Devonian (Lochkovian) of the Welsh Borderland, with a hypothesis on the relationship between hilate and trilete spore producers. Review of Palaeobotany and Palynology 2011, 167:51-61.
22. Morris J.L., Richardson J.B., Edwards D. Lower Devonian plant and spore assemblages from Lower Old Red Sandstone strata of Tredomen Quarry, South Wales. Review of Palaeobotany and Palynology 2011, 165:183-208.
23. Morris, J.L., Edwards, D., Richardson, J.B., Axe, L., in press. New dyad-producing plants from the Lower Devonian (Lochkovian) of the Welsh Borderland. Bot. J. Linn. Soc. doi:. http://doi:10.1111/j.1095-8339.2012.01231.x.
24. Qiu Y.-L. Phylogeny and evolution of charophytic algae and land plants. Journal of Systematics and Evolution 2008, 46:287-306.
25. Richardson J.B. Lower Palaeozoic sporomorphs: their stratigraphical distribution and possible affinities. Philosophical Transactions of the Royal Society B 1985, 309:201-205.
26. Richardson J.B. Late Ordovician and Early Silurian cryptospores and miospores from northeast Libya. Subsurface Palynostratigraphy of Northeast Libya 1988, 89-110. Garyounis University Publications, Benghazi, Libya. A. El-Arnauti, B. Owens, B. Thusu (Eds.).
27. Richardson J.B. Origin and evolution of the earliest land plants. Major Events in the History of Life 1992, 95-118. Jones and Bartlett, Boston. J.M. Schopf (Ed.).
28. Richardson J.B. Taxonomy and classification of some new Early Devonian cryptospores from England. Special Papers in Palaeontology 1996, 55:7-40.
29. Richardson J.B. Lower and Middle Palaeozoic records of terrestrial palynomorphs. Palynology: Principles and Applications 1996, Volume 2:555-574. Publishers Press, Salt Lake City, Utah. J. Jansonius, D.C. McGregor (Eds.).
30. Richardson J.B. Cryptospores and miospores, their distribution patterns in the Lower Old Red Sandstone of the Anglo-Welsh Basin, and the habitat of their parent plants. Bulletin of Geosciences 2007, 82:355-364.
31. Richardson J.B., Ioannides N. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. Micropalaeontology 1973, 19:257-307.
32. Richardson J.B., Lister T.R. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales. Palaeontology 1969, 12:201-252.
33. Richardson J.B., McGregor D.C. Silurian and Devonian spore zones of the Old Red Sandstone Continent and adjacent regions. Bulletin of the Geological Survey of Canada 1986, 364:1-79.
34. Richardson J.B., Rasul S.M., Al-Ameri T. Acritarchs, misopores and correlation of the Ludlovian-Downtonian and Silurian-Devonian boundaries. Review of Palaeobotany and Palynology 1981, 34:209-224.
35. Richardson J.B., Ford J.H., Parker F. Miospores, correlation and age of some Scottish Lower Old Red Sandstone sediments from the Strathmore region (Fife and Angus). Micropalaeontology 1984, 3:109-124.
36. Rogerson E.C.W., Edwards D., Davies K.L., Richardson J.B. Identification of in situ spores in a Silurian Cooksonia from the Welsh Borderland. Special Papers in Palaeontology 1993, 49:17-30.
37. Rubinstein C.V., Gerrienne P., de la Puente G.S., Astini R.A., Steemans P. Early Middle Ordovician evidence for land plants in Argentina (eastern Gondwana). New Phytologist 2010, 188:365-369.
38. Steemans P. Miospore evolution from the Ordovician to the Silurian. Review of Palaeobotany and Palynology 2000, 113:189-196.
39. Steemans P., Wellman C.H. Miospores and the emergence of land plants. Critical Moments and Perspectives in Earth History and Paleobiology 2004, 361-366. Columbia University Press, New York. B. Webby, F. Paris, M.L. Droser, I.G. Percival (Eds.).
40. Steemans P., Higgs K.T., Wellman C.H. Cryptospores and trilete spores from the Llandovery, Nuayyim-2 Borehole, Saudi Arabia. Stratigraphic Palynology of the Paleozoic of Saudi Arabia 2000, 92-115. GeoArabia, Special Publication 1, Gulf PetroLink, Bahrain. S. Al-Hajre, B. Owens (Eds.).
41. Steemans P., Le Hérissé A., Melvin J., Miller M.A., Paris F., Verniers J., Wellman C.H. Origin and radiation of the earliest vascular land plants. Science 2009, 324:352.
42. Strother P.K. A classification schema for the cryptospores. Palynology 1991, 15:219-236.
43. Strother P.K., Beck J.H. Spore-like microfossils from Middle Cambrian strata: expanding the meaning of the term cryptospore. Pollen and Spores: Morphology and Biology 2000, 413-424. Royal Botanic Gardens, Kew. M.M. Harley, C.M. Morton, S. Blackmore (Eds.).
44. Strother P.K., Traverse A. Plant microfossils from the Llandoverian and Wenlock rocks of Pennsylvania. Palynology 1979, 3:1-21.
45. Strother P.K., Al-Hajri S., Traverse A. New evidence for land plants from the lower Middle Ordovician of Saudi Arabia. Geology 1996, 24:55-59.
46. Taylor W.A. Ultrastructure of Tetrahedraletes medinensis (Strother and Traverse) Wellman and Richardson, from the Upper Ordovician of southern Ohio. Review of Palaeobotany and Palynology 1995, 85:183-187.
47. Taylor W.A. Ultrastructure of lower Paleozoic dyads from southern Ohio II: Dyadospora murusattenuata, functional and evolutionary considerations. Review of Palaeobotany and Palynology 1997, 97:1-8.
48. Taylor W.A. Studies in cryptospore ultrastructure: variability in the tetrad genus Tetrahedraletes and type material of the dyad Dyadospora murusattenuata. Review of Palaeobotany and Palynology 2002, 119:325-334.
49. Villarreal J.C., Renzaglia K.S. Sporophyte structure in the neotropical hornwort Phaeomegaceros fimbriatus: implications for phylogeny, taxonomy, and character evolution. International Journal of Plant Sciences 2006, 167(3):413-427.
50. Wellman C.H. A Lower Devonian sporomorph assemblage from the Midland Valley of Scotland. Transactions of the Royal Society of Edinburgh: Earth 1993, 84:117-136.
51. Wellman C.H. Cryptospores from the type area of the Caradoc Series in Southern Britain. Special Papers in Palaeontology 1996, 55:103-136.
52. Wellman C.H. Palaeoecology and palaeophytogeography of the Rhynie chert plants: evidence from integrated analysis of in situ and dispersed spores. Philosophical Transactions of the Royal Society B 2004, 271:985-992.
53. Wellman C.H. Spore assemblages from the Lower Devonian "Lower Old Red Sandstone" of the Rhynie outlier, Scotland. Transactions of the Royal Society of Edinburgh: Earth 2006, 97:167-211.
54. Wellman C.H., Gray J. The microfossil record of early land plants. Philosophical Transactions of the Royal Society B 2000, 355:717-732.
55. Wellman C.H., Richardson J.B. Terrestrial plant microfossils from Silurian inliers of the Midland Valley of Scotland. Palaeontology 1993, 36:155-193.
56. Wellman C.H., Edwards D., Axe L. Ultrastructure of laevigate hilate spores in sporangia and spore masses from the Upper Silurian and Lower Devonian of the Welsh Borderland. Philosophical Transactions of the Royal Society B 1998, 353:1983-2004.
57. Wellman C.H., Osterloff P.L., Mohiuddin U. Fragments of the earliest land plants. Nature 2003, 425:282-285.